Dmitrii Efimov

Add --parents opt-in flag for ADD/COPY (labs)

15

partially fixes: #2917 `.parents_test.sh`: ```sh #!/usr/bin/env sh set -e TMP_DIR=$(mktemp -dt parents_test.XXXXXXXX) echo "Created \"$TMP_DIR\"" trap "echo \"Removing \\\"$TMP_DIR\\\"\"; rm -rf \"$TMP_DIR\"" EXIT mkdir -p $TMP_DIR/src/dir1 mkdir -p $TMP_DIR/src/dir2/subdir2 touch...

[RFC] ADD/COPY scripting improvements

14

related; - https://github.com/moby/moby/issues/15858 - https://github.com/moby/moby/issues/29211 - https://github.com/moby/moby/issues/35639 ## Abstract Currently the following construct is impossible: ```dockerfile # syntax=docker/dockerfile:1.4.1 FROM scratch ARG SOURCES="./src/file1 ./src/dir1 ./src/dir2" COPY $SOURCES ./ ``` Therefore severely...

OCI image reproducibility fail

1

## Abstract OCI chose tar format as a basis for images storage layer, while not specifying any constrains on the tar format itself AFAIK. In #805 @vbatts [says](https://github.com/opencontainers/image-spec/issues/805#issuecomment-663674039): > The...